let a=10
let b=20
let c=30

function test(){
    console.log("demo01.js#test.....");
}

//将demo1.js中的资源暴漏处理
export default{
    a,
    b,
    test
}
//向外按需导出变量str1
export let str1='haoren';
export let str2='lucy'
//向外按需导出函数
export function fun(){
    console.log("export function....");
}
